MS-DOS 2.11 [TI Professional Computer OEM r2.13]
Released in 1984 by Microsoft/Texas Instruments
For the Texas Instruments Professional Computer
Image Quality: Unused/Unmodified

This is the special OEM version of MS-DOS needed to operate a Texas
Instruments Professional Computer. This version is labled "MS-DOS 2
version 2.13". It contains IO.SYS 2.13, MSDOS.SYS 2.11, COMMAND.COM
2.11, and support utilities.

The 2.13 update includes support for 80-track drives, hard disk
utilities, and numerous bug fixes to the support tools.

Important: This disk will ONLY boot on a TI Professional Computer. It 
will NOT boot on an IBM PC, IBM hardware compatible PC, or a PC
emulator.

This archive contains one 5.25 360k floppy disk image.

TI Professional Disks are formatted with an interleave of 1:2 instead
of 1:1. If you use a sector copying tool, you must make sure the 
tracks are formatted appropriately.